A．great deal has been done to remedy the situation. A: maintain B: B．improve C: C．preserve D: D．protect

Only in this way ______ your writing. A: you can improve B: you will improve C: would you improve D: can you improve

I want ______ my English. A: improving B: improve C: to improve

An import tariff will cause the terms of trade of the ________ country to ________ and will ________ the country.? importing; improve; harm|importing; improve; benefit|exporting; improve; harm|exporting; improve; benefit

It’s a good way_____________ communication skills. A: improve B: improvement C: to improve D: improved

One implication of an empirical investigation of the Marshall-Lerner condition is that, in the ________, a real ________ in a nation's currency is likely to ________ the country's current account balance. ( ) A: long-run; appreciation; improve B: short-run; depreciation; improve C: long-run; depreciation; improve D: short-run; appreciation; improve

【单选题】improve or get worse? A. improve B. get worse

The students find it hard __ their spoken English. A: improving B: having improved C: improve D: to improve

I want to find an online course my English. A: improve B: to improve C: improving D: improved

helping to 3)______________ and save energy. A: prove security B: improve C: improving security D: improve security